[lldb-dev] Exception breakpoint questions

[Bruce Mitchener]

A couple of questions about exception breakpoints:

1) In SetExceptionBreakpoints in the various LanguageRuntime plugins, the
C++ one bails out if m_process is not valid, while the Objective C version
doesn't perform that check. Is the check necessary? Should both runtimes
perform it? (Should my Dylan language runtime plugin do it?)

2) ThreadPlanCallFunction requires code for each language runtime currently
to deal with exception breakpoints (and a new member variable). Wouldn't it
be better to iterate over the active / available language runtime plugins
instead (using PluginManager::GetLanguageRuntimeInstances())

I'm happy to submit patches based on answers to the above.

Thanks,

 - Bruce
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